150000001605 has 64 divisors (see below), whose sum is σ = 270083358720. Its totient is φ = 78976461888.

The previous prime is 150000001597. The next prime is 150000001607. The reversal of 150000001605 is 506100000051.

150000001605 is a `hidden beast` number, since 1 + 500 + 0 + 0 + 0 + 0 + 160 + 5 = 666.

It is not a de Polignac number, because 150000001605 - 2³ = 150000001597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150000001607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17553964 + ... + 17562506.

It is an arithmetic number, because the mean of its divisors is an integer number (4220052480).

Almost surely, 2^150000001605 is an apocalyptic number.

150000001605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

150000001605 is a deficient number, since it is larger than the sum of its proper divisors (120083357115).

150000001605 is a wasteful number, since it uses less digits than its factorization.

150000001605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10207 (or 10201 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

Adding to 150000001605 its reverse (506100000051), we get a palindrome (656100001656).

The spelling of 150000001605 in words is "one hundred fifty billion, one thousand, six hundred five".